| Total Complexity | 42 |
| Total Lines | 251 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like UserAccess often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use UserAccess, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 8 | trait UserAccess |
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| 9 | { |
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| 10 | /** |
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| 11 | * Checks if the user has a Role by its name or id. |
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| 12 | * |
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| 13 | * @param string $nameOrId Role name or id. |
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| 14 | * |
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| 15 | * @return bool |
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| 16 | */ |
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| 17 | public function hasRole($nameOrId) |
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| 18 | { |
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| 19 | foreach ($this->roles as $role) { |
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| 20 | //See if role has all permissions |
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| 21 | if ($role->all) { |
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| 22 | return true; |
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| 23 | } |
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| 24 | |||
| 25 | //First check to see if it's an ID |
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| 26 | if (is_numeric($nameOrId)) { |
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| 27 | if ($role->id == $nameOrId) { |
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| 28 | return true; |
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| 29 | } |
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| 30 | } |
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| 31 | |||
| 32 | //Otherwise check by name |
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| 33 | if ($role->name == $nameOrId) { |
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| 34 | return true; |
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| 35 | } |
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| 36 | } |
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| 37 | |||
| 38 | return false; |
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| 39 | } |
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| 40 | |||
| 41 | /** |
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| 42 | * Checks to see if user has array of roles. |
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| 43 | * All must return true. |
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| 44 | * |
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| 45 | * @param $roles |
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| 46 | * @param $needsAll |
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| 47 | * |
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| 48 | * @return bool |
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| 49 | */ |
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| 50 | public function hasRoles($roles, $needsAll = false) |
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| 51 | { |
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| 52 | //If not an array, make a one item array |
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| 53 | if (! is_array($roles)) { |
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| 54 | $roles = [$roles]; |
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| 55 | } |
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| 56 | |||
| 57 | //User has to possess all of the roles specified |
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| 58 | if ($needsAll) { |
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| 59 | $hasRoles = 0; |
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| 60 | $numRoles = count($roles); |
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| 61 | |||
| 62 | foreach ($roles as $role) { |
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| 63 | if ($this->hasRole($role)) { |
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| 64 | $hasRoles++; |
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| 65 | } |
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| 66 | } |
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| 67 | |||
| 68 | return $numRoles == $hasRoles; |
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| 69 | } |
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| 70 | |||
| 71 | //User has to possess one of the roles specified |
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| 72 | foreach ($roles as $role) { |
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| 73 | if ($this->hasRole($role)) { |
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| 74 | return true; |
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| 75 | } |
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| 76 | } |
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| 77 | |||
| 78 | return false; |
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| 79 | } |
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| 80 | |||
| 81 | /** |
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| 82 | * Check if user has a permission by its name or id. |
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| 83 | * |
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| 84 | * @param string $nameOrId Permission name or id. |
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| 85 | * |
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| 86 | * @return bool |
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| 87 | */ |
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| 88 | public function allow($nameOrId) |
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| 89 | { |
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| 90 | foreach ($this->roles as $role) { |
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| 91 | // See if role has all permissions |
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| 92 | if ($role->all) { |
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| 93 | return true; |
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| 94 | } |
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| 95 | |||
| 96 | // Validate against the Permission table |
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| 97 | foreach ($role->permissions as $perm) { |
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| 98 | |||
| 99 | // First check to see if it's an ID |
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| 100 | if (is_numeric($nameOrId)) { |
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| 101 | if ($perm->id == $nameOrId) { |
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| 102 | return true; |
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| 103 | } |
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| 104 | } |
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| 105 | |||
| 106 | // Otherwise check by name |
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| 107 | if ($perm->name == $nameOrId) { |
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| 108 | return true; |
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| 109 | } |
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| 110 | } |
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| 111 | } |
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| 112 | |||
| 113 | return false; |
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| 114 | } |
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| 115 | |||
| 116 | /** |
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| 117 | * Check an array of permissions and whether or not all are required to continue. |
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| 118 | * |
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| 119 | * @param $permissions |
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| 120 | * @param $needsAll |
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| 121 | * |
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| 122 | * @return bool |
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| 123 | */ |
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| 124 | public function allowMultiple($permissions, $needsAll = false) |
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| 125 | { |
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| 126 | //If not an array, make a one item array |
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| 127 | if (! is_array($permissions)) { |
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| 128 | $permissions = [$permissions]; |
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| 129 | } |
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| 130 | |||
| 131 | //User has to possess all of the permissions specified |
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| 132 | if ($needsAll) { |
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| 133 | $hasPermissions = 0; |
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| 134 | $numPermissions = count($permissions); |
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| 135 | |||
| 136 | foreach ($permissions as $perm) { |
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| 137 | if ($this->allow($perm)) { |
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| 138 | $hasPermissions++; |
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| 139 | } |
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| 140 | } |
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| 141 | |||
| 142 | return $numPermissions == $hasPermissions; |
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| 143 | } |
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| 144 | |||
| 145 | //User has to possess one of the permissions specified |
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| 146 | foreach ($permissions as $perm) { |
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| 147 | if ($this->allow($perm)) { |
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| 148 | return true; |
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| 149 | } |
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| 150 | } |
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| 151 | |||
| 152 | return false; |
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| 153 | } |
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| 154 | |||
| 155 | /** |
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| 156 | * @param $nameOrId |
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| 157 | * |
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| 158 | * @return bool |
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| 159 | */ |
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| 160 | public function hasPermission($nameOrId) |
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| 163 | } |
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| 164 | |||
| 165 | /** |
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| 166 | * @param $permissions |
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| 167 | * @param bool $needsAll |
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| 168 | * |
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| 169 | * @return bool |
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| 170 | */ |
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| 171 | public function hasPermissions($permissions, $needsAll = false) |
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| 172 | { |
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| 173 | return $this->allowMultiple($permissions, $needsAll); |
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| 174 | } |
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| 175 | |||
| 176 | /** |
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| 177 | * Alias to eloquent many-to-many relation's attach() method. |
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| 178 | * |
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| 179 | * @param mixed $role |
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| 180 | * |
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| 181 | * @return void |
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| 182 | */ |
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| 183 | public function attachRole($role): void |
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| 194 | } |
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| 195 | |||
| 196 | /** |
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| 197 | * Alias to eloquent many-to-many relation's detach() method. |
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| 198 | * |
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| 199 | * @param mixed $role |
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| 200 | * |
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| 201 | * @return void |
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| 202 | */ |
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| 203 | public function detachRole($role) |
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| 204 | { |
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| 205 | if (is_object($role)) { |
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| 206 | $role = $role->getKey(); |
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| 207 | } |
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| 208 | |||
| 209 | if (is_array($role)) { |
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| 210 | $role = $role['id']; |
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| 211 | } |
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| 212 | |||
| 213 | $this->roles()->detach($role); |
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| 214 | } |
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| 215 | |||
| 216 | /** |
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| 217 | * Attach multiple roles to a user. |
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| 218 | * |
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| 219 | * @param mixed $roles |
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| 220 | * |
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| 221 | * @return void |
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| 222 | */ |
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| 223 | public function attachRoles($roles) |
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| 224 | { |
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| 225 | foreach ($roles as $role) { |
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| 226 | $this->attachRole($role); |
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| 227 | } |
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| 228 | } |
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| 229 | |||
| 230 | /** |
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| 231 | * Detach multiple roles from a user. |
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| 232 | * |
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| 233 | * @param mixed $roles |
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| 234 | * |
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| 235 | * @return void |
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| 236 | */ |
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| 237 | public function detachRoles($roles) |
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| 238 | { |
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| 239 | foreach ($roles as $role) { |
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| 240 | $this->detachRole($role); |
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| 241 | } |
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| 242 | } |
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| 243 | |||
| 244 | /** |
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| 245 | * This is an alias for hasRoles. |
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| 246 | * |
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| 247 | * @param $credentials |
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| 248 | * @param bool $needsAll |
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| 249 | * |
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| 250 | * @return bool |
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| 251 | */ |
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| 252 | public function hasCredential($credentials, $needsAll = false) |
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| 259 | } |
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| 260 | } |
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| 261 |